PATH [to 25 April 2015]
http://www.path.org/news/index.php

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Press release | April 23, 2015
Malaria vaccine candidate has demonstrated efficacy over 3-4 years of follow-up
Final results from Phase III trial suggest substantial public health benefits could be provided by the RTS,S malaria vaccine candidate in endemic regions in sub-Saharan Africa; vaccine efficacy enhanced by administration of a booster dose.